--- a/mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.cc
+++ b/mozilla/toolkit/crashreporter/google-breakpad/src/client/linux/handler/exception_handler.cc
@@ -77,7 +77,7 @@
 #include <sys/wait.h>
 #include <unistd.h>
 
-#include <sys/signal.h>
+#include <signal.h>
 #include <sys/ucontext.h>
 #include <sys/user.h>
 #include <ucontext.h>
